\chapter{Conclusions}
\label{chap:conclusions}

From the simple Type Ia model we can get a large amount of $\ca{48}$ and
$\ti{50}$ produced together. Putting these results into chemical equilibrium
code and dust growth code, we find that the neutron-rich iron-group elements 
would form "metal nuggets" with grains size around 0.1 micron. to be finished..

